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Finding the Fourth Proportional to 63,066.66, 86,941.54 and 49,614.55

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Solution

The fourth proportional to 63,066.66, 86,941.54 and 49,614.55 is: 68,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.66 : 86,941.54 = 49,614.55 : x
  2. Step 2: Convert to fraction form
    63,066.66/86,941.54 = 49,614.55/x
  3. Step 3: Cross multiply
    63,066.66x = 86,941.54 × 49,614.55
  4. Step 4: Simplify right side
    63,066.66x = 4,313,565,383.41
  5. Step 5: Solve for x
    x = 4,313,565,383.41/63,066.66
  6. Step 6: Final answer
    x = 68,396.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.